Portion of a shoe



FIG. 1 is a rear perspective view of a portion of a shoe from one side thereof showing my new design;

FIG. 2 is a rear perspective view of the portion of a shoe from the other side thereof;

FIG. 3 is a side elevational view of one side thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view of the other side thereof; and,

FIG. 6 is a top plan view thereof.

The broken line showing of the reminder of the shoe shown in FIGS. 1-6 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe, as shown and described. 